Which of the following elements has the correct number of valence electrons listed? G (6)
O P (10)
O Ni (12)
O Ar (8)

Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2

When water dissolves sugar, which process is not involved? o dissociation o hydration o surface area of the solute increases sa

Mercury turns to a vapor at 629.88 k. how much heat is lost when 75.0 g of mercury vapor at 650 k condenses to a liquid at 297 k?